Apple launches new Retina 4K 21.5-inch iMac, all 27-inch iMacs now feature Retina 5K displays - 9to5Mac
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Best Buy: Apple 21.5" iMac® with Retina 4K display Intel Core i5 (3.0GHz) 8GB Memory 256GB SSD Silver MHK33LL/A
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Best Buy: Apple 21.5" iMac® with Retina 4K display (Latest Model) Intel Core i3 (3.6GHz) 8GB Memory 1TB Hard Drive Silver MRT32LL/A
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Apple 21.5" Certified Refurbished iMac with Retina 4K Display Intel Core i3 3.6GHz 8GB Memory 1TB HDD (2019) Silver MRT32LL/A - Best Buy
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Review: Apple's 21.5-inch iMac with 4K Retina display is great, but skip the slow HDD model | AppleInsider
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